CN209779736U - river course cleaning device - Google Patents
river course cleaning device Download PDFInfo
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- CN209779736U CN209779736U CN201920481522.6U CN201920481522U CN209779736U CN 209779736 U CN209779736 U CN 209779736U CN 201920481522 U CN201920481522 U CN 201920481522U CN 209779736 U CN209779736 U CN 209779736U
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- cleaning device
- river
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Abstract
The utility model provides a river course cleaning device belongs to cleaning equipment technical field under water, include organism, running gear, clearance mechanism, inhale upward system and arm mechanism. The utility model discloses a running gear removes in the river course bottom, and the position through mechanical arm mechanism control clearance mechanism, carry out the brush-cleaning to the river course bottom, make the silt debris and the water of river course bottom mix and form mud, arrange outside the river course through inhaling the system of raising above the sun at last, thereby reach the purpose of desilting, because the lifting pressure that the cooperation of clearance mechanism and the system of raising above the sun can avoid the river bottom destroys, and cooperation running gear and mechanical arm mechanism's removal, can conveniently adjust the desilting position rapidly, consequently, can guarantee to carry out the desilting operation under the safe intact condition of lining cutting high-efficiently.
Description
Technical Field
the utility model belongs to the technical field of cleaning equipment under water, more specifically say, relate to a river course cleaning device.
background
The water delivery mode of the south-to-north water diversion is water delivery of an open water delivery channel, and in order to ensure normal water delivery operation of the channel, most water delivery channels need to be subjected to periodical desilting. At present, the main dredging modes comprise three types, namely draining dredging, underwater dredging and environment-friendly dredging. When the drainage is normally operated in the south-to-north water diversion, the dredging mode is mainly underwater dredging or environment-friendly dredging.
Underwater dredging and environmental-friendly dredging mainly depend on a dredger, an excavator and a slurry pump. Because the dredger needs steel piles to be positioned and walks in a striding way when working, the dredger is mainly suitable for natural riverways and can not be used for riverways artificially built such as water delivery open channels with cement and waterproof layer lining hard bottoms on the surfaces; because the water delivery amount of the south-to-north water is large, the open channel span is relatively large, although the water excavator and the long-arm excavator can be used for excavating silt, the underwater condition is invisible, the excavating angle and the excavating depth are not easy to control, the technical requirement on a driver is high, the surface of the open channel is easy to damage, once the surface of the open channel is damaged, the open channel can quickly develop under the action of water power, potential safety hazards such as leakage, structural instability and the like are formed, and the open channel is extremely difficult to repair and level during operation; the operation mode of directly pumping and discharging the sediments by the slurry pump can not directly damage the surface of the open channel, but because the slurry pump needs to be arranged at a fixed point, the sludge at the periphery is difficult to be sucked under the condition that the water flow of the open channel is uniform and stable, and the sucked sludge is obviously reduced after the operation for a period of time, so the efficiency is low, the waste of water resources is easily caused, the time and the labor are wasted when the slurry pump is moved, and the uplift pressure damage and the local abrasion of a lining channel can be caused by the long-term operation at one place. The dredging modes are only suitable for being adopted when the sludge reaches a certain thickness, and are not suitable for cleaning sludge with small thickness or only for cleaning attachments such as moss and algae on the surface of the river channel, and the sludge thickness in the river channel adjusted from south to north is generally small.
Therefore, the existing dredging equipment and method can not carry out efficient dredging operation under the condition of ensuring the lining to be safe and complete, and can not well meet the dredging requirement of the open drainage channel.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a river course cleaning device to solve the desilting equipment and the mode that exist among the prior art and can not carry out the technical problem of desilting operation high-efficiently under the intact circumstances of assurance lining cutting safety.
in order to achieve the above object, the utility model adopts the following technical scheme: the river channel cleaning device comprises a machine body, a travelling mechanism, a cleaning mechanism, a suction system and a mechanical arm mechanism, wherein the travelling mechanism is arranged at the lower part of the machine body and used for driving the machine body to move at the bottom of a river channel; the cleaning mechanism is used for cleaning the bottom of the river channel to mix sludge sundries with water to form slurry; two ends of the mechanical arm mechanism are respectively connected with the machine body and the cleaning mechanism and used for controlling the position of the cleaning mechanism; the suction system is arranged on the machine body, and the suction end is arranged outside the cleaning mechanism and used for sucking the slurry and discharging the slurry to the outside of the river channel.
Further, in the river channel cleaning device, the cleaning mechanism comprises a cleaning brush assembly, a first power assembly and a reversing assembly, and the cleaning brush assembly is arranged on the mechanical arm mechanism and used for cleaning the bottom of the river channel; the power output end of the first power assembly is connected with the cleaning brush assembly and is used for driving the cleaning brush assembly to rotate; the reversing assembly is used for changing the rotating direction of the cleaning brush assembly.
furthermore, in the river channel cleaning device, the cleaning brush assembly comprises a rotating roller, a plurality of bristles and a plurality of dirt collecting plates, and the rotating roller is rotatably arranged on the mechanical arm mechanism and is connected with the power output end of the first power assembly; a plurality of brush hairs are arranged on the periphery of the rotating roller along the spiral direction; the plurality of dirt collecting plates are annularly arranged in the middle of the rotating roller.
furthermore, in the river channel cleaning device, the suction and raising system comprises a suction and raising pipeline and a diffusion-proof cover, and the suction and raising pipeline is arranged on the machine body; the anti-diffusion cover is covered outside the cleaning mechanism, and the inner part of the anti-diffusion cover is communicated with the suction pipeline.
Furthermore, in the river channel cleaning device, the suction system further comprises a treatment box and a slurry pump, and the treatment box is connected with the suction pipeline; the mud pump is arranged on the treatment box, the suction end is arranged in the treatment box, and the discharge end is connected with the sludge output equipment.
Furthermore, in the river channel cleaning device, the mechanical arm mechanism comprises a first connecting rod, a second connecting rod, a first hydraulic cylinder and a second hydraulic cylinder, and one end of the first connecting rod is hinged with the machine body; one end of the second connecting rod is hinged with the other end of the first connecting rod, and the other end of the second connecting rod is connected with the cleaning mechanism; two ends of the first hydraulic cylinder are respectively connected with the machine body and the middle part of the first connecting rod and are used for driving the first connecting rod to rotate; and two ends of the second hydraulic cylinder are respectively connected with the middle part of the first connecting rod and the middle part of the second connecting rod and used for driving the second connecting rod to rotate.
further, among the aforesaid river course cleaning device, inhale and raise the system and raise the pipeline including inhaling, inhale and raise the pipeline including locating the hose in the cleaning mechanism outside, mechanical arm mechanism still including locate the well axle that links of first connecting rod and second connecting rod junction and establish in the epaxial solid fixed ring that is used for fixed hose that links.
furthermore, in the river channel cleaning device, the river channel cleaning device further comprises a control module, a pressure sensor and an illuminating lamp, wherein the control module is electrically connected with the first hydraulic cylinder and the second hydraulic cylinder respectively; the pressure sensor is arranged on the cleaning mechanism or the mechanical arm mechanism and is electrically connected with the control module; the light is arranged on the mechanical arm mechanism and is electrically connected with the control module.
Further, in the river channel cleaning device, the machine body comprises a rotary table assembly, the cleaning mechanism and the suction system are arranged on the upper portion of the rotary table assembly, and the travelling mechanism is arranged on the lower portion of the rotary table assembly; the running gear is a crawler-type running gear.
Furthermore, in the river channel cleaning device, the traveling mechanism comprises a support frame, a first support shaft, a traveling wheel, a second power assembly, a second support shaft, a tension wheel and a track, and the support frame is connected with the rotary table assembly; the first supporting shaft is arranged on the supporting frame; the driving wheels are rotatably arranged at two ends of the first supporting shaft; the second power assembly is used for driving the running wheel to rotate; the second supporting shaft is arranged on the supporting frame; the tensioning wheels are rotatably arranged at two ends of the second supporting shaft; the track wraps the outer parts of the driving wheel and the tensioning wheel.
The utility model provides a river course cleaning device's beneficial effect lies in: compared with the prior art, the utility model discloses a running gear removes in the river course bottom, and the position through mechanical arm mechanism control clearance mechanism, clean the river course bottom, the silt debris that make the river course bottom mixes with water and forms mud, arrange outside the river course through inhaling the system of raising above the sun at last, thereby reach the purpose of desilting, because the lifting pressure that cleaning mechanism and the cooperation of inhaling the system of raising above the sun can avoid the river bottom destroys, and cooperate running gear and mechanical arm mechanism's removal, can conveniently adjust the desilting position rapidly, consequently, can guarantee to carry out the desilting operation under the safe intact condition of lining cutting high-efficiently.
drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic view of an upright structure of a river channel cleaning device according to an embodiment of the present invention;
Fig. 2 is a schematic structural view of a cleaning brush assembly of a river channel cleaning device according to an embodiment of the present invention;
Fig. 3 is a schematic view of a control structure of the river channel cleaning device according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10-body; 11-a turntable assembly;
20-a running mechanism;
21-a support frame; 22-a first support shaft; 23-a running wheel;
24-a second support shaft; 25-a tension wheel; 26-a crawler belt;
30-a cleaning mechanism;
31-a cleaning brush assembly; 32-a first power assembly; 33-a commutation component;
34-a turning roll; 35-bristles; 36-a dirt collecting plate;
41-a suction pipeline; 42-a diffusion prevention cover; 43-treatment box; 44-a mud pump;
50-a robotic arm mechanism;
51-a first link; 52-a second link; 53-a first hydraulic cylinder; 54-second hydraulic cylinder;
55-middle connecting shaft; 56-a fixed ring;
61-a control module; 62-a pressure sensor; 63-lighting lamp.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the present invention, "XXX is provided on XX" means that XXX and XX have a connection relationship or a positional relationship therebetween, and cannot be understood as a limitation on the orientation thereof.
referring to fig. 1, a river channel cleaning device provided by the present invention will now be described. The river channel cleaning device comprises a machine body 10, a travelling mechanism 20, a cleaning mechanism 30, a suction system and a mechanical arm mechanism 50, wherein the travelling mechanism 20 is arranged at the lower part of the machine body 10 and used for driving the machine body 10 to move at the bottom of a river channel; the cleaning mechanism 30 is used for cleaning the bottom of the river channel to mix sludge sundries with water to form slurry; two ends of the mechanical arm mechanism 50 are respectively connected with the machine body 10 and the cleaning mechanism 30 and used for controlling the position of the cleaning mechanism 30; the pumping system is arranged on the machine body 10, and the suction end is arranged outside the cleaning mechanism 30 and used for sucking and discharging slurry to the outside of the river channel.
the outer side of the cleaning mechanism 30 refers to the periphery or the outer part of the cleaning mechanism 30, and can be in the front, back, left, right, up and down directions of the cleaning mechanism 30 and have a certain distance from the cleaning mechanism 30; except for the river channel, the outside of the river channel bottom or the river bed comprises two sides and the lower part of the river channel and carrying devices such as silt boats on the river channel, and if the silt can be transported by means of water power, the silt can also comprise water flow capable of being transported by the water power.
the utility model provides a river course cleaning device, compared with the prior art, remove in the river course bottom through running gear 20, and control the position of clearance mechanism 30 through arm mechanism 50, clean the river course bottom, the silt debris and the water that make the river course bottom mix and form mud, arrange outside the river course through inhaling the system of raising above the sun at last, thereby reach the purpose of desilting, because clearance mechanism 30 can avoid destroying the raising pressure at the river bottom with inhaling the cooperation of the system of raising above the sun, and cooperate the removal of running gear 20 and arm mechanism 50, can conveniently adjust the desilting position rapidly, consequently, can carry out the desilting operation under guaranteeing that lining cutting safety is intact high-efficiently.
referring to fig. 1 to 2, as a specific embodiment of the river channel cleaning device provided by the present invention, the cleaning mechanism 30 includes a cleaning brush assembly 31, a first power assembly 32 and a reversing assembly 33, the cleaning brush assembly 31 is disposed on the mechanical arm mechanism 50 for cleaning the bottom of the river channel; the power output end of the first power assembly 32 is connected with the cleaning brush assembly 31 and is used for driving the cleaning brush assembly 31 to rotate; reversing assembly 33 is used to change the direction of rotation of cleaning brush assembly 31. The cleaning brush assembly 31 is connected with the machine body 10 through the mechanical arm mechanism 50 and is used for cleaning moss, algae, sludge and other attachments on the surface of a river channel, and the reversing assembly 33 can enable the cleaning brush assembly 31 to be reversed when the cleaning brush assembly 31 is stuck, so that sundries can be discharged. The first power assembly 32 may be a hydraulic motor and the reversing assembly 33 may be a reversing valve. The first power assembly 32 and the reversing assembly 33 may also be different components within the same set of hydraulic power system, i.e., the first power assembly 32 is a hydraulic power system with output reversing.
optionally, the cleaning brush assembly 31 includes a rotating roller 34, a plurality of bristles 35 and a plurality of dirt collecting plates 36, the rotating roller 34 is rotatably disposed on the mechanical arm mechanism 50 and is connected with the power output end of the first power assembly 32; a plurality of bristles 35 are arranged in a spiral direction at the outer circumference of the rotating roller 34 to guide slurry and impurities toward the middle; and a plurality of dirt collecting plates 36 are annularly arranged in the middle of the rotating roller 34 and used for collecting slurry and sundries and conveying the collected slurry and sundries to a suction system along with water. Alternatively, the rotating roller 34 is a cylindrical roller, the bristles 35 are spirally distributed along the circumference of the cylindrical roller, the dirt collecting plate 36 is located in the middle of the rotating roller 34 and is opposite to the slurry suction port, the spiral arrangement directions of the bristles 35 at two ends of the rotating roller 34 (i.e. at two sides of the dirt collecting plate 36) are opposite, and the spiral arrangement direction of the bristles 35 takes the axis of the rotating roller 34 as an axis.
referring to fig. 1, as a specific embodiment of the river channel cleaning device provided by the present invention, the pumping system includes a pumping pipe 41 and a diffusion-proof cover 42, the pumping pipe 41 is disposed on the machine body 10; the anti-diffusion cover 42 covers the outside of the cleaning mechanism 30 and is internally communicated with the pumping pipeline 41 so as to suck away the high-concentration slurry stirred by the cleaning brush assembly 31 and improve the dredging efficiency. The diffusion preventing cover 42 may be a circular arc structure covering the outside of the cleaning brush assembly 31.
Optionally, the pumping system further comprises a treatment tank 43 and a slurry pump 44, wherein the treatment tank 43 is connected with the pumping pipeline 41; the slurry pump 44 is arranged on the treatment tank 43, the suction end is arranged in the treatment tank 43, and the discharge end is connected with the sludge output equipment.
The mud pump 44 gives a certain lift pressure to the brushed mud and impurities, and the pollutants are conveyed to the sludge output equipment for further treatment. The sludge output equipment can be a carrying device such as a sludge ship, a secondary pressurizing pump, a slurry filtering device or a slurry outlet.
Referring to fig. 1, as a specific embodiment of the river channel cleaning device provided by the present invention, the mechanical arm mechanism 50 includes a first connecting rod 51, a second connecting rod 52, a first hydraulic cylinder 53 and a second hydraulic cylinder 54, wherein one end of the first connecting rod 51 is hinged to the machine body 10; one end of the second connecting rod 52 is hinged with the other end of the first connecting rod 51, and the other end is connected with the cleaning mechanism 30; two ends of the first hydraulic cylinder 53 are respectively connected with the machine body 10 and the middle part of the first connecting rod 51 and are used for driving the first connecting rod 51 to rotate; the second hydraulic cylinder 54 has two ends respectively connected to the middle of the first link 51 and the middle of the second link 52 for driving the second link 52 to rotate.
referring to fig. 1, as a specific embodiment of the river channel cleaning device provided by the present invention, the pumping system includes a pumping pipe 41, the pumping pipe 41 includes a hose disposed outside the cleaning mechanism 30, the mechanical arm mechanism 50 further includes a middle connecting shaft 55 disposed at the joint of the first connecting rod 51 and the second connecting rod 52, and a fixing ring 56 disposed on the middle connecting shaft 55 and used for fixing the hose. The hose is secured to the intermediate shaft 55 to prevent the hose from dragging the ground.
alternatively, the robot arm mechanism 50 includes two sets of the first link 51 and the second link 52, and the intermediate link 55 and the hose are provided between the two sets of the first link 51 and the second link 52.
referring to fig. 1, as a specific embodiment of the river channel cleaning device provided by the present invention, the machine body 10 includes a revolving platform assembly 11, the cleaning mechanism 30 and the suction system are both disposed on the upper portion of the revolving platform assembly 11, and the traveling mechanism 20 is disposed on the lower portion of the revolving platform assembly 11; the running gear 20 is a crawler running gear. The rotary table assembly 11 can drive the cleaning mechanism 30 and the suction system to rotate, and the direction and the angle of the cleaning brush are controlled.
referring to fig. 1, as a specific embodiment of the river channel cleaning device provided by the present invention, the traveling mechanism 20 includes a supporting frame 21, a first supporting shaft 22, a driving wheel 23, a second power assembly, a second supporting shaft 24, a tensioning wheel 25 and a track 26, wherein the supporting frame 21 is connected to the turntable assembly 11; the first supporting shaft 22 is arranged on the supporting frame 21; the driving wheels 23 are rotatably arranged at two ends of the first supporting shaft 22; the second power assembly is used for driving the driving wheel 23 to rotate; the second supporting shaft 24 is arranged on the supporting frame 21; the tensioning wheels 25 are rotatably arranged at two ends of the second supporting shaft; the crawler belt 26 is wrapped around the traveling wheel 23 and the tension wheel 25.
Referring to fig. 3, as a specific embodiment of the river channel cleaning device provided by the present invention, the river channel cleaning device further includes a control module 61, a pressure sensor 62 and a lighting lamp 63, wherein the control module 61 is electrically connected to the reversing assembly 33, the first power assembly 32, the second power mechanism, the turntable assembly 11, the first hydraulic cylinder 53 and the second hydraulic cylinder 54, respectively; the pressure sensor 62 is arranged on the cleaning mechanism 30, the mechanical arm mechanism 50 or the diffusion prevention cover 42 and is electrically connected with the control module 61; the illumination lamp 63 is provided on the robot arm mechanism 50 or the diffusion preventing cover 42, and is electrically connected to the control module 61.
The control module 61 is electrically connected to hydraulic pumps of the first hydraulic cylinder 53 and the second hydraulic cylinder 54, and the hydraulic pumps extend out of hydraulic lines to be connected to the cylinder barrel. Because the utility model provides a river course cleaning device is used for underwater operation, and for preventing the electric leakage, power component's transmission is all through hydraulic control system control, and control module 61 is connected with the hydraulic control system electricity.
The utility model provides a river course cleaning device is when using, and water delivery open channel surface attachment is scrubbed to clearance brush subassembly 31, is preventing forming the mud of certain concentration in diffusion cover 42, prevents that diffusion cover interior mud from along the brush revolve to collect to middle album dirty board, inhales to total pipeline from the mud pipeline sunction inlet again, through the hose entering processing case 43, carries the bank via slush pump 44 and carries out subsequent processing, if the transport distance is longer, can add the force (forcing) pump.
After cleaning, under the control of the control module 61, the whole device is driven by the second power mechanism to move forward, the cleaning direction is adjusted by the rotary table assembly 11, and meanwhile, the control module 61 changes the movement of the mechanical arm mechanism 50 by controlling the first hydraulic cylinder 53 and the second hydraulic cylinder 54 according to the data fed back by the pressure sensor 62, so as to keep the cleaning brush assembly 31 and the anti-diffusion cover 42 close to the bottom of the river; when the cleaning brush assembly 31 is stuck, the reversing control assembly 33 of the control module 61 reverses to pour out stuck sundries. Meanwhile, the position of the device and the condition of the bottom of the river are determined according to the auxiliary lighting effect of the lighting lamp 17. The above-described electric control components and the like may be provided in the treatment tank 43 in a waterproof manner.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A river course cleaning device which is characterized by comprising:
A body;
the traveling mechanism is arranged at the lower part of the machine body and is used for driving the machine body to move at the bottom of a river channel;
The cleaning mechanism is used for cleaning the bottom of the river channel to mix sludge sundries with water to form slurry;
the two ends of the mechanical arm mechanism are respectively connected with the machine body and the cleaning mechanism and used for controlling the position of the cleaning mechanism; and
And the suction and raising system is arranged on the machine body, and the suction end is arranged outside the cleaning mechanism and used for sucking the slurry and discharging the slurry to the outside of the river channel.
2. A waterway cleaning device according to claim 1, wherein the cleaning mechanism comprises:
The cleaning brush assembly is arranged on the mechanical arm mechanism and used for cleaning the bottom of the river channel;
The power output end of the first power assembly is connected with the cleaning brush assembly and is used for driving the cleaning brush assembly to rotate; and
And the reversing assembly is used for changing the rotating direction of the cleaning brush assembly.
3. a waterway cleaning device according to claim 2, wherein the cleaning brush assembly comprises:
The rotating roller is rotatably arranged on the mechanical arm mechanism and is connected with the power output end of the first power assembly;
A plurality of bristles arranged in a spiral direction at the outer periphery of the rotating roller; and
And the plurality of dirt collecting plates are annularly arranged in the middle of the rotating roller.
4. a waterway cleaning device according to claim 1, wherein the pumping system comprises:
The suction pipeline is arranged on the machine body; and
and the anti-diffusion cover is covered on the outer side of the cleaning mechanism, and the inner part of the anti-diffusion cover is communicated with the pumping pipeline.
5. The riverway cleaning apparatus of claim 4, wherein the pumping system further comprises:
the treatment box is connected with the suction pipeline; and
the mud pump is arranged on the treatment box, the suction end is arranged in the treatment box, and the discharge end is connected with the sludge output equipment.
6. The river cleaning apparatus of claim 1, wherein the robotic arm mechanism comprises:
one end of the first connecting rod is hinged with the machine body;
one end of the second connecting rod is hinged with the other end of the first connecting rod, and the other end of the second connecting rod is connected with the cleaning mechanism;
Two ends of the first hydraulic cylinder are respectively connected with the machine body and the middle part of the first connecting rod and are used for driving the first connecting rod to rotate; and
And two ends of the second hydraulic cylinder are respectively connected with the middle part of the first connecting rod and the middle part of the second connecting rod and are used for driving the second connecting rod to rotate.
7. A cleaning device for a river channel according to claim 6, wherein: the system of raising the position is including raising the pipeline to the suction, raise the pipeline including locating the hose in the clearance mechanism outside to the suction, arm mechanism is still including locating first connecting rod with well even epaxial and establishing of second connecting rod junction well even be used for fixing the solid fixed ring of hose.
8. the river cleaning apparatus of claim 6, further comprising:
the control module is electrically connected with the first hydraulic cylinder and the second hydraulic cylinder respectively;
The pressure sensor is arranged on the cleaning mechanism or the mechanical arm mechanism and is electrically connected with the control module; and
And the illuminating lamp is arranged on the mechanical arm mechanism and is electrically connected with the control module.
9. The river channel cleaning device according to claim 1, wherein the machine body comprises a rotary table assembly, the cleaning mechanism and the suction system are arranged on the upper portion of the rotary table assembly, and the travelling mechanism is arranged on the lower portion of the rotary table assembly; the running mechanism is a crawler-type running mechanism.
10. the waterway cleaning device of claim 9, wherein the walking mechanism comprises:
the supporting frame is connected with the rotary table assembly;
The first support shaft is arranged on the support frame;
the driving wheels are rotatably arranged at two ends of the first supporting shaft;
the second power assembly is used for driving the running wheel to rotate;
The second supporting shaft is arranged on the supporting frame;
the tensioning wheels are rotatably arranged at two ends of the second supporting shaft; and
And the crawler belt is coated outside the driving wheel and the tensioning wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920481522.6U CN209779736U (en) | 2019-04-10 | 2019-04-10 | river course cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920481522.6U CN209779736U (en) | 2019-04-10 | 2019-04-10 | river course cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209779736U true CN209779736U (en) | 2019-12-13 |
Family
ID=68802180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920481522.6U Expired - Fee Related CN209779736U (en) | 2019-04-10 | 2019-04-10 | river course cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209779736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392084A (en) * | 2020-11-24 | 2021-02-23 | 山东交通学院 | River channel dredging robot |
-
2019
- 2019-04-10 CN CN201920481522.6U patent/CN209779736U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392084A (en) * | 2020-11-24 | 2021-02-23 | 山东交通学院 | River channel dredging robot |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 Termination date: 20210410 |